Category: Engineering

What is the difference between up milling and down milling? In up milling, cutter rotates against the direction of table feed. In down milling, cutter rotates along the direction of table feed. In down milling mode, the cutting force is directed downward, and thus it tends to press the workpiece rather than lift off. What […]

What should employers do to protect their workers from chemical hazards? Right to training: Protection from chemical hazards is provided, including an evaluation of chemicals used, a written program, Material Safety Data Sheets, worker protection (for example, respirators or gloves), and information and training. How do you prevent chemical hazards? 11 Ways Employees Can Prevent […]

How does the pulley system in a well work? The main contraption of a water well is the pulley. Pulleys are simple machines consisting of a wheel over which a pulled rope runs to change the direction of the pull used for lifting a load. The block of the pulley is fixed on a high […]

How much caffeine is in Lipton black tea? Caffeine in Other Lipton Tea Varieties Variety of Lipton Tea Caffeine amount per tea bag Black Tea 55mg Black Tea Decaf 5mg Green Tea 35mg Green Tea Citrus 25mg Does Lipton tea have more caffeine than coffee? That’s actually not quite true. While brewed coffee does have […]

Which of the following is the definition of Keyspace? A key space is a set of all arrangements of a key, when given a fixed key size. It is the total number of possible values of keys in a cryptographic algorithm or other security measures such as a password. Which of the following terms is […]

Which force diagram accurately represents a satellite in orbit around Earth? Explanation: Gravity is the only force on a satellite. Correct on edge. What forces act on a satellite in orbit? That is to say, a satellite is an object upon which the only force is gravity. Once launched into orbit, the only force governing […]

Why is it important to design injection molded parts to have uniform thickness? Consistent wall thickness is critical during the cooling process in injection molding; if some sections of a part are thinner than others, the part may be vulnerable to warping, cracking, twisting, and overall failure. Uniform wall thickness minimizes both shrinkage and residual […]

How do you make a simple machine? 3 Ideas for Building Simple Machines at Home The Lever. The lever is a rigid bar that is free to move around at a fixed point. The Wheel and Axle. The wheel and axle have two disks or cylinders, each with a different radius. Gears. The Inclined Plane. […]

What are the 3 types of solid waste? Types of Solid Wastes Household Hazardous Waste (HHW) Construction and Demolition Debris. Industrial/Commercial Waste. Hazardous Waste Lamps. Regulated Medical Waste. Used Electronic Equipment. Used Oil. Waste Tires. What are the 3 main components of waste management? The main components of solid waste management include onsite handling, storage […]

Why is ship breaking dangerous? In addition to taking a huge toll on the health of workers, ship breaking is a highly polluting industry. Large amounts of carcinogens and toxic substances (PCBs, PVCs, PAHs, TBT, mercury, lead, isocyanates, sulfuric acid) not only intoxicate workers but are also dumped into the soil and coastal waters. How […]